Question 438530
  <pre><font face = "Tohoma" size = 4 color = "indigo"><b> 
Hi
*[tex \LARGE \ \ \ \ \ \ \ \ \ \ log_b(x) \ = \ y \ \ \Rightarrow\ \ b^y = x]

*[tex \LARGE \ \ \ \ \ \ \ \ \ \ log_x(1/49) \ = \ -2 \ \ \Rightarrow\ \ x^2 = 1/49]  
   x^2 = 1/49
   x = 1/7  |Negative solution is Extraneous